# Installing a plugin from: http://laco.wz.cz/tween/

**URL:** <https://forum.kirupa.com/t/installing-a-plugin-from-http-laco-wz-cz-tween/177827>\
**Category:** Uncategorized\
**Created:** [February 5, 2006, 5:50pm UTC](https://forum.kirupa.com/t/installing-a-plugin-from-http-laco-wz-cz-tween/177827 "2006-02-05T17:50:13Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![jookhouse](https://avatars.discourse-cdn.com/v4/letter/j/ad7895/32.png) [@jookhouse](https://forum.kirupa.com/u/jookhouse)\
**Post date:** [February 5, 2006, 5:50pm UTC](https://forum.kirupa.com/t/installing-a-plugin-from-http-laco-wz-cz-tween/177827/1 "2006-02-05T17:50:13Z")

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does anyone use this with v.8?

i cannot seem to get it loaded in the extension manager.

keeps saying the extension package is invalid.

anyone know about this?